package com.bruce.test.socket;

import java.io.*;

import java.net.*;

import java.applet.Applet;

public class TalkServer {

    public static void main(String args[]) {

        try {

            ServerSocket server = null;

            try {

                server = new ServerSocket(4700);

                //创建一个ServerSocket在端口4700监听客户请求

            } catch (Exception e) {

                System.out.println("can not listen to:" + e);

                //出错，打印出错信息

            }

            Socket socket = null;

            try {

                socket = server.accept();

                //使用accept()阻塞等待客户请求，有客户

                //请求到来则产生一个Socket对象，并继续执行

            } catch (Exception e) {

                System.out.println("Error." + e);

                //出错，打印出错信息

            }

            String line;

            BufferedReader is = new BufferedReader(new InputStreamReader(socket.getInputStream()));

            //由Socket对象得到输入流，并构造相应的BufferedReader对象

            PrintWriter os = new PrintWriter(socket.getOutputStream());

            //由Socket对象得到输出流，并构造PrintWriter对象

            BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));

            //由系统标准输入设备构造BufferedReader对象

            System.out.println("Client:" + is.readLine());

            //在标准输出上打印从客户端读入的字符串

            line = sin.readLine();

            //从标准输入读入一字符串

            while (!line.equals("bye")) {

                //如果该字符串为 "bye"，则停止循环

                os.println(line);

                //向客户端输出该字符串

                os.flush();

                //刷新输出流，使Client马上收到该字符串

                System.out.println("Server:" + line);

                //在系统标准输出上打印读入的字符串

                System.out.println("Client:" + is.readLine());

                //从Client读入一字符串，并打印到标准输出上

                line = sin.readLine();

                //从系统标准输入读入一字符串

            }  //继续循环

            os.close(); //关闭Socket输出流

            is.close(); //关闭Socket输入流

            socket.close(); //关闭Socket

            server.close(); //关闭ServerSocket

        } catch (Exception e) {

            System.out.println("Error:" + e);

            //出错，打印出错信息

        }

    }

}

